Respuesta :

Answer:

pBR322 DNA is used in plasmid cloing vector in E.coli

molecule is a double-stranded circle 4,361 base pairs in lenght

pBR322 contains the genes for resistance to ampicillin and tetracycline, can be amplified with chloramphenicol

molecular weight is 2.38 x [tex]10^{6}[/tex] daltons

Explanation: